| Academic Year 2022-23 Grade: MYP 4 [Physics] Unit: Mechanics Key concept: System Related concept: Interaction, Evidence Global context: Orientation in Space and time Students will explore: Epochs, eras, turning points and “big history SOI: Interaction of different physical quantities in a coherent manner builds a system which is tested with respect to time and place. |
Criteria: A Knowing and Understanding
Q.1 An object moves along the grid through the points A, B, C, D, E, and F as shown below. (1 box = 0.5km)
- Find the distance covered by the moving object.
- Find the magnitude of the displacement of the object
Q.2 A car is moving from rest and attained a velocity of 80 m/s. Calculate the acceleration of the car after 5 seconds.
Q.3 Car’s speedometer reads 10,500 km at the start of a trip and 10,700 km at the end. Calculate distance and displacement.
Q.4 A man walks 7 km in 2 hours and 2 km in 1 hour in the same direction.
- Find the man’s average speed for the whole journey.
- Find the man’s average velocity for the whole journey.
Q.5. John droves South 120 km at 60 km/h and then East 150 km at 50 km/h. Determine
- The average speed for the whole journey.
- The magnitude of the average velocity for the whole journey.
Q.6. The graph given alongside shows how the speed of a car changes with time.
- Calculate the initial speed of the car.
- Calculate the maximum speed attained by the car.
- Which part of the graph shows zero acceleration?
- Which part of the graph shows varying retardation?
- Find the distance travelled in first 8 hours.
